It’s difficult to understand the move against custom ROMs. Especially considering the size of market for “weridos” that will spend hundreds of dollars on a device and first thing they do with it is unlocking bootloader.
Take that away and you go head to head against Samsung and Apple. And you will not win.
They have fairly good prices for small VPS, something like €1-2 and I cannot complain. Perfect for some small self hosting. I cannot comment on their more performant boxes.
1&1 is kind of typical telco, with all the shady stuff and contracts. DSL from them is without any issues. Mobile is kind of problematic, it was fine for past 3-4 years but with their “Fancy 5G net up to 300mbps” has pretty shit so far. Last week I was abroad and my sim would not connect at all. Contacted them via online chat and they said to call them… They fixed it after like 20h